Suppression that packs a punch. The Obsidian45 takes on multiple calibers with ease. . Belt Fed Rated for Pistol Calibers up-to 45ACP 300BLK Subsonic (with an 8″ barrel) 350 Legend (with a 16″ barrel or longer) 450 Bushmaster (with a 16″ barrel or longer). . marlinfirearmsofficial leupoldoptics magpul kuiu_official . . #RuggedSuppressors #LiveRugged #alaskahunting